
Least Common Multiple (LCM) of 145 and 25
The least common multiple (LCM) of 145 and 25 is 725.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 145 and 25?
First, calculate the GCD of 145 and 25 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 145 ÷ 25 = 5 remainder 20 |
2 | 25 ÷ 20 = 1 remainder 5 |
3 | 20 ÷ 5 = 4 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
194 and 128 | 12416 |
90 and 112 | 5040 |
141 and 154 | 21714 |
126 and 105 | 630 |
114 and 193 | 22002 |